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Oracle 1Z0-025 Exam Syllabus Topics:
| Section | Objectives |
| Topic 1: Recovery Manager (RMAN) | - Recovery catalog usage
- RMAN architecture and configuration
- RMAN backup commands and scripts
|
| Topic 2: Flashback Technology (Oracle 10g) | - Flashback Table
- Flashback Query
|
| Topic 3: Database Recovery Techniques | - Complete and incomplete recovery
- Media recovery and instance recovery
- Recovery from user errors
|
| Topic 4: Backup Concepts and Strategies | - Backup types (cold, hot, full, incremental)
- Backup strategies and scheduling considerations
|
| Topic 5: Archived Redo Log Management | - Archived log maintenance and recovery usage
- ARCHIVELOG mode configuration
|
Oracle Backup and Recovery Sample Questions:
1. You perform an incomplete database recovery using RMAN. Which state of target database is needed?
A) Mount
B) Open, initially open.
C) Nomount
D) Open, initially closed.
2. Which action does a DBA take when using a backup control file?
A) No special action is required.
B) Issues the RECOVER CONTROLFILE command before recovering the database.
C) Includes UNTIL CANCEL in the RECOVER command.
D) Includes USING BACKUP CONTROLFILE in the RECOVER command.
3. What is the effect of issuing an ALTER DATABASE OPEN RESETLOGS command on the primary database?
A) A new standby database incarnation will automatically be started.
B) Once the archived log files are applied to the standby database, the redo log of the standby database is reset.
C) It invalidates the standby database.
D) The standby database can only be used in read-only mode.
4. Which two statements about the LogMiner utility are true? (Choose two)
A) It uses the information in the directory file to obtain the transaction system change number.
B) The results of the LogMiner analysis are stored in an operating system text file.
C) It is implemented as a PL/SQL/SQL package.
D) It can only analyze and process achieved redo-log files.
E) It translates the contents of the redo-log files into SQL undo commands to roll back the original operations.
5. What is the difference between using NOLOGGING operations in a single database environment and a standby database environment?
A) The affected data file needs to be copied from the primary to the standby server.
B) There is no difference.
C) NOLOGGING operations are not available in release 0.1
D) NOLOGGING operations can be used on the standby database, but not on the primary database.
Solutions:
Question # 1 Answer: A | Question # 2 Answer: D | Question # 3 Answer: C | Question # 4 Answer: C,E | Question # 5 Answer: A |